estimate_laser_plane.md

@@ -25,7 +25,7 @@ Now we have to obtain a normal of plane and its translation:
 
 so the <img src="http://mathurl.com/j865cst.png" />.
 
-Now we can add this condition to the pinhole camera model equation, where [**R**|t] matrix is an identity matrix and <img src="http://mathurl.com/j7ltgkr.png" />, we end up with:
+We can add this condition to the pinhole camera model equation, where [**R**|t] matrix is an identity matrix and <img src="http://mathurl.com/j7ltgkr.png" />, we end up with:
 
 <img src="http://mathurl.com/jzqcmgq.png" />